UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJH1VqsMT/P//tP0KsmtbwOQ7h4cLwiDslBEykuapUA=' 
WHERE 
  key_id = '28454a81db961eadfc7a355556f687d384668fafc0d7c9cceb8984fee4bed9c7' 
  AND (
    token = 'MJH1VqsMT/P//tP0KsmtbwOQ7h4cLwiDslBEykuapUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )